74ABT2541CSC Equivalent & Substitute Parts

Part Overview

The 74ABT2541CSC is a non-inverting buffer logic IC manufactured by onsemi, featuring 1 element with 8 bits per element and 3-state output capability. This component operates within the 4.5V to 5.5V supply voltage range and is housed in a 20-SOIC package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

74ABT2541CSC

onsemiIn Stock: 167774ABT2541CSC Datasheet

Current PartRFQ

SN74ABT241ADW

Texas InstrumentsIn Stock: 2908SN74ABT241ADW Datasheet

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SN74ABT541BDW

Texas InstrumentsIn Stock: 3280SN74ABT541BDW Datasheet

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SN74ABT541BDWR

Texas InstrumentsIn Stock: 3961SN74ABT541BDWR Datasheet

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SN74ABT541BNS

Texas InstrumentsIn Stock: 1161SN74ABT541BNS Datasheet

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SN74ABT541BNSR

Texas InstrumentsIn Stock: 6537SN74ABT541BNSR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74ABT2541CSC is determined by the following critical parameters:

• Logic Type: Must be Buffer, Non-Inverting
• Output Type: Must be 3-State
• Voltage - Supply: Must support 4.5V ~ 5.5V range
• Operating Temperature: Must support -40°C ~ 85°C (TA)
• Mounting Type: Must be Surface Mount
• Series: 74ABT logic family

Substitute parts are grouped into two categories based on package configuration:

Category 1 - Direct Package Match (20-SOIC, 0.295" width): SN74ABT541BDW, SN74ABT541BDWR

Category 2 - Alternate Package (20-SO, 0.209" width): SN74ABT541BNS, SN74ABT541BNSR

Category 3 - Different Element/Bit Configuration: SN74ABT241ADW (2 elements, 4 bits per element - functionally different but electrically compatible within the same logic family)

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

SN74ABT541BDW and SN74ABT541BDWR are the preferred alternatives to the 74ABT2541CSC. Both parts maintain identical element and bit configurations (1 element, 8 bits per element), operate within the same voltage and temperature specifications, and are housed in the matching 20-SOIC package with 0.295" width. Both are manufactured by Texas Instruments and carry Active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment.

Secondary Substitutes (Package Variant):

SN74ABT541BNS and SN74ABT541BNSR provide functional equivalence with identical logic configuration but utilize a narrower 20-SO package (0.209" width). These parts are suitable for applications where PCB layout accommodates the reduced package width. Both maintain Active status and ROHS3 compliance.

Alternative Configuration:

SN74ABT241ADW operates as a functionally different but electrically compatible alternative within the 74ABT logic family. This part features 2 elements with 4 bits per element instead of 1 element with 8 bits. Selection of this part requires circuit-level evaluation to confirm compatibility with the application's signal routing and control architecture. The part is Active and ROHS3 compliant.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT541BDW directly replace the 74ABT2541CSC without PCB modifications?

A: Yes. SN74ABT541BDW maintains identical pinout, package dimensions (20-SOIC, 0.295" width), logic configuration (1 element, 8 bits), and electrical specifications (4.5V ~ 5.5V supply, -40°C ~ 85°C operating range, 3-state output). No PCB layout changes are required.

Q: What is the difference between SN74ABT541BDWR and SN74ABT541BDW?

A: Both parts are electrically and functionally identical. The difference is packaging format: SN74ABT541BDWR is supplied in Cut Tape (CT) & Digi-Reel format, while SN74ABT541BDW is supplied in Tube format. Selection depends on procurement and assembly requirements.

Q: Can I use SN74ABT541BNS or SN74ABT541BNSR as substitutes?

A: Yes, these parts are functionally equivalent with identical logic configuration and electrical specifications. However, they use a narrower 20-SO package (0.209" width) compared to the original 20-SOIC (0.295" width). PCB footprint compatibility must be verified before selection.

Q: Is SN74ABT241ADW a suitable replacement?

A: SN74ABT241ADW is electrically compatible within the 74ABT logic family and meets voltage and temperature requirements. However, it features a different element and bit configuration (2 elements, 4 bits per element versus 1 element, 8 bits). This part is suitable only if the application's signal routing and control logic can accommodate the different channel architecture.

Q: What does "Active" product status mean for these substitutes?

A: Active status indicates that Texas Instruments currently manufactures and supports these parts. This ensures ongoing availability, technical support, and compliance with current regulatory standards. The obsolete status of the original 74ABT2541CSC makes transition to an Active substitute essential for production continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All Texas Instruments substitute parts listed carry ROHS3 compliance certification, meeting current environmental and regulatory requirements. The original 74ABT2541CSC RoHS status was not specified in available documentation.